A yawn is a reflex consisting of the simultaneous inhalation of air and the
stretching of the ... This "contagious" yawning has also been observed in
chimpanzees, dogs, and can occur acros...
Mar 16, 2014 ... About half of adults yawn after someone else yawns due to a universal
phenomenon called “contagious yawning.” Researchers at Duke ...
Contagious yawning is associated with the same parts of the brain that deal with
empathy, according to a recent study. Learn about contagious yawning.
This is the most interesting hypothesis behind contagious yawning that I've seen:
... Yawning has subsequently become contagious behaviour because it ...
Jun 10, 2013 ... We all do it, and we all know it has at least something to do with how tired we feel
. But unlike sleep apnea or laptops in the bedroom, yawning is ...
Highlights. •. We exposed males and females assessed on a measure of
psychopathic traits (PPI-R) to a contagious yawning paradigm. •. We used an ...
Aug 24, 2015 ... People high in psychopathic personality traits often don't "catch" the contagious
yawn, a new study finds.
Jul 5, 2007 ... Rather than being a precursor to sleep, yawning is designed to keep us awake,
say US researchers. But why does seeing someone else yawn ...
Dec 10, 2014 ... Why do we yawn? The center of many a scientific study, researchers have
several theories about the science behind this contagious ...
Feb 3, 2016 ... Everyone knows that yawning is contagious—one person yawning
spontaneously can cause another person in the vicinity to yawn even if they ...